Which of the following deserts is the largest in the Middle East?

What is the largest desert in the world? Which desert is home to the world's highest sand dunes? In which country is the Karakum Desert located? In which country is the Great Victoria Desert located? In which continent is the Australian Outback located? What is the largest of the Great Lakes by surface area? What is the largest lake in Southeast Asia? Which lake is the largest in the African Great Lakes by volume?